79262620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 170089920

約数和(自身を除く): 90827300

約数列:

[1, 2, 4, 5, 10, 20, 103, 109, 206, 218, 353, 412, 436, 515, 545, 706, 1030, 1090, 1412, 1765, 2060, 2180, 3530, 7060, 11227, 22454, 36359, 38477, 44908, 56135, 72718, 76954, 112270, 145436, 153908, 181795, 192385, 224540, 363590, 384770, 727180, 769540, 3963131, 7926262, 15852524, 19815655, 39631310, 79262620]

約数ペア:

[(1, 79262620), (2, 39631310), (4, 19815655), (5, 15852524), (10, 7926262), (20, 3963131), (103, 769540), (109, 727180), (206, 384770), (218, 363590), (353, 224540), (412, 192385), (436, 181795), (515, 153908), (545, 145436), (706, 112270), (1030, 76954), (1090, 72718), (1412, 56135), (1765, 44908), (2060, 38477), (2180, 36359), (3530, 22454), (7060, 11227)]